Home / 54,623.01-75,381.18-30,750.55

Finding the Fourth Proportional to 54,623.01, 75,381.18 and 30,750.55

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Solution

The fourth proportional to 54,623.01, 75,381.18 and 30,750.55 is: 42,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.01 : 75,381.18 = 30,750.55 : x
  2. Step 2: Convert to fraction form
    54,623.01/75,381.18 = 30,750.55/x
  3. Step 3: Cross multiply
    54,623.01x = 75,381.18 × 30,750.55
  4. Step 4: Simplify right side
    54,623.01x = 2,318,012,744.65
  5. Step 5: Solve for x
    x = 2,318,012,744.65/54,623.01
  6. Step 6: Final answer
    x = 42,436.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.